!-------------------------------------- LICENCE BEGIN ------------------------------------
!Environment Canada - Atmospheric Science and Technology License/Disclaimer, 
!                     version 3; Last Modified: May 7, 2008.
!This is free but copyrighted software; you can use/redistribute/modify it under the terms 
!of the Environment Canada - Atmospheric Science and Technology License/Disclaimer 
!version 3 or (at your option) any later version that should be found at: 
!http://collaboration.cmc.ec.gc.ca/science/rpn.comm/license.html 
!
!This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; 
!without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
!See the above mentioned License/Disclaimer for more details.
!You should have received a copy of the License/Disclaimer along with this software; 
!if not, you can write to: EC-RPN COMM Group, 2121 TransCanada, suite 500, Dorval (Quebec), 
!CANADA, H9P 1J3; or send e-mail to service.rpn@ec.gc.ca
!-------------------------------------- LICENCE END --------------------------------------
***s/r v4d_ezscint_ad - ADJ of v4d_ezscint   
*
#include "model_macros_f.h"
*

      subroutine v4d_ezscint_ad (zo,px,py,npts,zi,ax,ay,cx,cy,i1,i2,j1,j2,nk, 1,2
     %                           jmin,jmax,ni,grtypi,degree)
*
      implicit none
*
      integer npts,i1,i2,j1,j2,nk,jmin,jmax,ni,degree
      real zo(nk,npts),zi(i1:i2,j1:j2,nk),
     %     px(npts),py(npts),ax(i1:i2),ay(j1:j2),cx(i1:i2,6),cy(j1:j2,6)
*
      character*1 grtypi
*
*author Tanguay M. 
*
*revision
* v3_00 - Tanguay M.        - initial MPI version
* v3_30 - Fillion L.        - Avoid polar treatment when in LAM mode 
*
*object
*  see id section
*
*Adjoint of
*arguments
* Name         I/O        Description
*----------------------------------------------------------------
* zo            O         Interpolated scalar field at positions px,py
* px            I         Position x in INPUT grid
* py            I         Position y in INPUT grid
* npts          I         Number of positions in zo
* zi            I         Scalar field on INPUT grid
* ax            I         X axe of INPUT grid
* ay            I         Y axe of INPUT grid
* cx            I         AX difference on INPUT grid
* cy            I         AY difference on INPUT grid
* i1-i2         I         Dimension x in INPUT grid
* j1-j2         I         Dimension y in INPUT grid
* nk            I         Dimension z in INPUT grid
* jmin          I         Lower  limit j
* jmax          I         Higher limit j
* ni            I         Period if grid='G', Heart if grid = 'Z'
* grtypi        I         Type of INPUT grid
* degree        I         Degree of interpolation
*----------------------------------------------------------------
*
*implicits
#include "glb_ld.cdk"
*
*     Adjoint of
*     Polar correction if scalar interpolation
*     ----------------------------------------
      if (.not.G_lam) then
      call v4d_corrval_ad (zo,npts,zi,ax,ay,cx,cy,i1,i2,j1,j2,nk,
     %                     jmin,jmax,ni,grtypi,degree)
      endif
*
*     Adjoint of
*     Scalar interpolation of zo at positions px,py from zi on input grid
*     -------------------------------------------------------------------
      call v4d_interp_ad (zo,px,py,npts,zi,ax,ay,cx,cy,i1,i2,j1,j2,nk,
     %                    jmin,jmax,ni,grtypi,degree)
*
      return
      end